Last updated: June 24, 2025
In Glyndon, United States, the average temperature in December hovers around -8°C (18°F), with extremes ranging from a chilly -32°C (-26°F) to a mild 10°C (49°F). Expect 41 mm (1.6 in) of precipitation spread over 8 days throughout the month, accompanied by a high average humidity of 86%. Perfect for those who enjoy the crispness of winter!
In December in Glyndon, the average temperature is -8°C (18°F), with maximums reaching 10°C (49°F) and minimums dropping as low as -32°C (-26°F). Travelers should be prepared for a wide range of temperatures, ensuring they have warm clothing and gear for the coldest conditions.
In Glyndon in December, the total precipitation amount is 41 mm (1.6 in) occurring over the course of 8 days.
In Glyndon in December, humidity is 86%. With an average temperature of -8°C (18°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and frigid, as the damp air accentuates the cold, creating a sharp contrast that can be quite challenging for outdoor activities.
In Glyndon in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Glyndon, you can visit Hourly UV Index in Glyndon.
UV Risk Categories
Weather in Glyndon varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Glyndon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -12°C (11°F) | 19 mm (0.7 inches) | 90% | low |
| February Weather | -12°C (10°F) | 21 mm (0.8 inches) | 92% | moderate |
| March Weather | -2°C (29°F) | 27 mm (1.1 inches) | 85% | moderate |
| April Weather | 4°C (40°F) | 50 mm (2.0 inches) | 81% | high |
| May Weather | 14°C (57°F) | 51 mm (2.0 inches) | 75% | very high |
| June Weather | 21°C (70°F) | 89 mm (3.5 inches) | 79% | very high |
| July Weather | 23°C (73°F) | 69 mm (2.7 inches) | 76% | very high |
| August Weather | 20°C (69°F) | 97 mm (3.8 inches) | 78% | very high |
| September Weather | 16°C (61°F) | 87 mm (3.4 inches) | 77% | high |
| October Weather | 7°C (44°F) | 85 mm (3.3 inches) | 79% | moderate |
| November Weather | -2°C (29°F) | 22 mm (0.8 inches) | 86% | moderate |
| December Weather | -8°C (18°F) | 41 mm (1.6 inches) | 86% | low |